> Markdown version of [/jobs/ext/1951127-backend-developer-langchain-langgraph-remote](https://www.wearedevelopers.com/jobs/ext/1951127-backend-developer-langchain-langgraph-remote). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Developer (Langchain / Langgraph) - Remote - **Company:** SCI S.A - **Location:** Cartagena, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software Architecture, Backend, Build Management, Information Technology, Virtual Agents - **Published:** August 6, 2026 - **Apply:** https://www.buscojobs.com.es/backend-developer-langchain-langgraph-remote-en-cartagena-ID-365737300 ## About the Role Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain / LangGraph to join our client's international tech team.If you're passionate about AI agents and enjoy working on innovative backend architectures, this role is a great fit for you! Responsibilities Design and build AI Agents using LangChain / LangGraphFurther development and optimization of existing backend functionalitiesImplement new architectural specifications and ensure scalabilityStart : ASAPLocation : 100% RemoteYour profile Proven hands-on experience with LangChain and/or LangGraphExperience working with Agentic AI frameworksStrong background in backend architecture and system designPassion for AI-driven solutions and continuous improvementWhat we offer Work on cutting-edge AI projects with a forward-thinking international team100% remote flexibilityCompetitive compensation and long-term collaboration opportunitiesSeniority level Not ApplicableEmployment type Full-timeJob function Information TechnologyIndustries IT Services and IT Consulting#J-*****-Ljbffr ## Description Overview We are currently looking for an experienced Backend Developer with strong expertise in LangChain / LangGraph to join our client's international tech team.If you're passionate about AI agents and enjoy working on innovative backend architectures, this role is a great fit for you!Responsibilities Design and build AI Agents using LangChain / LangGraphFurther development and optimization of existing backend functionalitiesImplement new architectural specifications and ensure scalabilityStart : ASAPLocation : 100% RemoteYour profile Proven hands-on experience with LangChain and/or LangGraphExperience working with Agentic AI frameworksStrong background in backend architecture and system designPassion for AI-driven solutions and continuous improvementWhat we offer Work on cutting-edge AI projects with a forward-thinking international team100% remote flexibilityCompetitive compensation and long-term collaboration opportunitiesSeniority level Not ApplicableEmployment type Full-timeJob function Information TechnologyIndustries IT Services and IT Consulting#J-*****-Ljbffr ## Related Videos - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Guiding Agentic AI with Vue](https://www.wearedevelopers.com/videos/2033-guiding-agentic-ai-with-vue) - [Answering the Million Dollar Question: Why did I Break Production?](https://www.wearedevelopers.com/videos/1171-answering-the-million-dollar-question-why-did-i-break-production) - [Building AI Applications with LangChain and Node.js](https://www.wearedevelopers.com/videos/1512-building-ai-applications-with-langchain-and-node-js) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [AI Agents Graph: Your following tool in your Java AI journey](https://www.wearedevelopers.com/videos/1550-ai-agents-graph-your-following-tool-in-your-java-ai-journey) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Best Job Boards for Remote Work for Developers](https://www.wearedevelopers.com/magazine/290-best-job-boards-for-remote-work-for-developers) - [What is Agentic Programming and Why Should Developers Care?](https://www.wearedevelopers.com/magazine/625-what-is-agentic-programming-and-why-should-developers-care) - [What Are Large Language Models?](https://www.wearedevelopers.com/magazine/304-what-are-large-language-models)